Do Dogs Have 3 Eyelids?
Do Dogs Have 3 Eyelids? Dogs and cats have an extra eyelid called the ‘third eyelid’ or the nictitans or nictitating membrane, at the inside corner of their eyes. Can dogs see their third eyelid? The inner eyelid in cats and dogs doesn’t do much, except help keep their eyeballs moist while they sleep. The